client/src/app/shared/video-playlist/video-playlist.service.ts

   1 import { bufferTime, catchError, distinctUntilChanged, filter, first, map, share, switchMap } from 'rxjs/operators'
   2 import { Injectable } from '@angular/core'
   3 import { Observable, ReplaySubject, Subject } from 'rxjs'
   4 import { RestExtractor } from '../rest/rest-extractor.service'
   5 import { HttpClient, HttpParams } from '@angular/common/http'
   6 import { ResultList, VideoPlaylistElementCreate, VideoPlaylistElementUpdate } from '../../../../../shared'
   7 import { environment } from '../../../environments/environment'
   8 import { VideoPlaylist as VideoPlaylistServerModel } from '@shared/models/videos/playlist/video-playlist.model'
   9 import { VideoChannelService } from '@app/shared/video-channel/video-channel.service'
  10 import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
  11 import { VideoPlaylistCreate } from '@shared/models/videos/playlist/video-playlist-create.model'
  12 import { VideoPlaylistUpdate } from '@shared/models/videos/playlist/video-playlist-update.model'
  13 import { objectToFormData } from '@app/shared/misc/utils'
  14 import { ServerService } from '@app/core'
  15 import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
  16 import { AccountService } from '@app/shared/account/account.service'
  17 import { Account } from '@app/shared/account/account.model'
  18 import { RestService } from '@app/shared/rest'
  19 import { VideoExistInPlaylist } from '@shared/models/videos/playlist/video-exist-in-playlist.model'
  20 import { VideoPlaylistReorder } from '@shared/models/videos/playlist/video-playlist-reorder.model'
  21 import { ComponentPagination } from '@app/shared/rest/component-pagination.model'
  22 import { VideoPlaylistElement as ServerVideoPlaylistElement } from '@shared/models/videos/playlist/video-playlist-element.model'
  23 import { VideoPlaylistElement } from '@app/shared/video-playlist/video-playlist-element.model'
  24
  25 @Injectable()
  26 export class VideoPlaylistService {
  27   static BASE_VIDEO_PLAYLIST_URL = environment.apiUrl + '/api/v1/video-playlists/'
  28   static MY_VIDEO_PLAYLIST_URL = environment.apiUrl + '/api/v1/users/me/video-playlists/'
  29
  30   // Use a replay subject because we "next" a value before subscribing
  31   private videoExistsInPlaylistSubject: Subject<number> = new ReplaySubject(1)
  32   private readonly videoExistsInPlaylistObservable: Observable<VideoExistInPlaylist>
  33
  34   constructor (
  35     private authHttp: HttpClient,
  36     private serverService: ServerService,
  37     private restExtractor: RestExtractor,
  38     private restService: RestService
  39   ) {
  40     this.videoExistsInPlaylistObservable = this.videoExistsInPlaylistSubject.pipe(
  41       distinctUntilChanged(),
  42       bufferTime(500),
  43       filter(videoIds => videoIds.length !== 0),
  44       switchMap(videoIds => this.doVideosExistInPlaylist(videoIds)),
  45       share()
  46     )
  47   }
  48
  49   listChannelPlaylists (videoChannel: VideoChannel, componentPagination: ComponentPagination): Observable<ResultList<VideoPlaylist>> {
  50     const url = VideoChannelService.BASE_VIDEO_CHANNEL_URL + videoChannel.nameWithHost + '/video-playlists'
  51     const pagination = this.restService.componentPaginationToRestPagination(componentPagination)
  52
  53     let params = new HttpParams()
  54     params = this.restService.addRestGetParams(params, pagination)
  55
  56     return this.authHttp.get<ResultList<VideoPlaylist>>(url, { params })
  57                .pipe(
  58                  switchMap(res => this.extractPlaylists(res)),
  59                  catchError(err => this.restExtractor.handleError(err))
  60                )
  61   }
  62
  63   listAccountPlaylists (
  64     account: Account,
  65     componentPagination: ComponentPagination,
  66     sort: string,
  67     search?: string
  68   ): Observable<ResultList<VideoPlaylist>> {
  69     const url = AccountService.BASE_ACCOUNT_URL + account.nameWithHost + '/video-playlists'
  70     const pagination = componentPagination
  71       ? this.restService.componentPaginationToRestPagination(componentPagination)
  72       : undefined
  73
  74     let params = new HttpParams()
  75     params = this.restService.addRestGetParams(params, pagination, sort)
  76     if (search) params = this.restService.addObjectParams(params, { search })
  77
  78     return this.authHttp.get<ResultList<VideoPlaylist>>(url, { params })
  79                .pipe(
  80                  switchMap(res => this.extractPlaylists(res)),
  81                  catchError(err => this.restExtractor.handleError(err))
  82                )
  83   }
  84
  85   getVideoPlaylist (id: string | number) {
  86     const url = VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + id
  87
  88     return this.authHttp.get<VideoPlaylist>(url)
  89                .pipe(
  90                  switchMap(res => this.extractPlaylist(res)),
  91                  catchError(err => this.restExtractor.handleError(err))
  92                )
  93   }
  94
  95   createVideoPlaylist (body: VideoPlaylistCreate) {
  96     const data = objectToFormData(body)
  97
  98     return this.authHttp.post<{ videoPlaylist: { id: number } }>(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL, data)
  99                .pipe(
 100                  catchError(err => this.restExtractor.handleError(err))
 101                )
 102   }
 103
 104   updateVideoPlaylist (videoPlaylist: VideoPlaylist, body: VideoPlaylistUpdate) {
 105     const data = objectToFormData(body)
 106
 107     return this.authHttp.put(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + videoPlaylist.id, data)
 108                .pipe(
 109                  map(this.restExtractor.extractDataBool),
 110                  catchError(err => this.restExtractor.handleError(err))
 111                )
 112   }
 113
 114   removeVideoPlaylist (videoPlaylist: VideoPlaylist) {
 115     return this.authHttp.delete(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + videoPlaylist.id)
 116                .pipe(
 117                  map(this.restExtractor.extractDataBool),
 118                  catchError(err => this.restExtractor.handleError(err))
 119                )
 120   }
 121
 122   addVideoInPlaylist (playlistId: number, body: VideoPlaylistElementCreate) {
 123     const url = VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos'
 124
 125     return this.authHttp.post<{ videoPlaylistElement: { id: number } }>(url, body)
 126                .pipe(catchError(err => this.restExtractor.handleError(err)))
 127   }
 128
 129   updateVideoOfPlaylist (playlistId: number, playlistElementId: number, body: VideoPlaylistElementUpdate) {
 130     return this.authHttp.put(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos/' + playlistElementId, body)
 131                .pipe(
 132                  map(this.restExtractor.extractDataBool),
 133                  catchError(err => this.restExtractor.handleError(err))
 134                )
 135   }
 136
 137   removeVideoFromPlaylist (playlistId: number, playlistElementId: number) {
 138     return this.authHttp.delete(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos/' + playlistElementId)
 139                .pipe(
 140                  map(this.restExtractor.extractDataBool),
 141                  catchError(err => this.restExtractor.handleError(err))
 142                )
 143   }
 144
 145   reorderPlaylist (playlistId: number, oldPosition: number, newPosition: number) {
 146     const body: VideoPlaylistReorder = {
 147       startPosition: oldPosition,
 148       insertAfterPosition: newPosition
 149     }
 150
 151     return this.authHttp.post(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos/reorder', body)
 152                .pipe(
 153                  map(this.restExtractor.extractDataBool),
 154                  catchError(err => this.restExtractor.handleError(err))
 155                )
 156   }
 157
 158   getPlaylistVideos (
 159     videoPlaylistId: number | string,
 160     componentPagination: ComponentPagination
 161   ): Observable<ResultList<VideoPlaylistElement>> {
 162     const path = VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + videoPlaylistId + '/videos'
 163     const pagination = this.restService.componentPaginationToRestPagination(componentPagination)
 164
 165     let params = new HttpParams()
 166     params = this.restService.addRestGetParams(params, pagination)
 167
 168     return this.authHttp
 169                .get<ResultList<ServerVideoPlaylistElement>>(path, { params })
 170                .pipe(
 171                  switchMap(res => this.extractVideoPlaylistElements(res)),
 172                  catchError(err => this.restExtractor.handleError(err))
 173                )
 174   }
 175
 176   doesVideoExistInPlaylist (videoId: number) {
 177     this.videoExistsInPlaylistSubject.next(videoId)
 178
 179     return this.videoExistsInPlaylistObservable.pipe(first())
 180   }
 181
 182   extractPlaylists (result: ResultList<VideoPlaylistServerModel>) {
 183     return this.serverService.getServerLocale()
 184                .pipe(
 185                  map(translations => {
 186                    const playlistsJSON = result.data
 187                    const total = result.total
 188                    const playlists: VideoPlaylist[] = []
 189
 190                    for (const playlistJSON of playlistsJSON) {
 191                      playlists.push(new VideoPlaylist(playlistJSON, translations))
 192                    }
 193
 194                    return { data: playlists, total }
 195                  })
 196                )
 197   }
 198
 199   extractPlaylist (playlist: VideoPlaylistServerModel) {
 200     return this.serverService.getServerLocale()
 201                .pipe(map(translations => new VideoPlaylist(playlist, translations)))
 202   }
 203
 204   extractVideoPlaylistElements (result: ResultList<ServerVideoPlaylistElement>) {
 205     return this.serverService.getServerLocale()
 206                .pipe(
 207                  map(translations => {
 208                    const elementsJson = result.data
 209                    const total = result.total
 210                    const elements: VideoPlaylistElement[] = []
 211
 212                    for (const elementJson of elementsJson) {
 213                      elements.push(new VideoPlaylistElement(elementJson, translations))
 214                    }
 215
 216                    return { total, data: elements }
 217                  })
 218                )
 219   }
 220
 221   private doVideosExistInPlaylist (videoIds: number[]): Observable<VideoExistInPlaylist> {
 222     const url = VideoPlaylistService.MY_VIDEO_PLAYLIST_URL + 'videos-exist'
 223
 224     let params = new HttpParams()
 225     params = this.restService.addObjectParams(params, { videoIds })
 226
 227     return this.authHttp.get<VideoExistInPlaylist>(url, { params, headers: { ignoreLoadingBar: '' } })
 228                .pipe(catchError(err => this.restExtractor.handleError(err)))
 229   }
 230 }